Woven pile fabric.



w. s. WILLIAMS.

WOVEN PILE FABRIC.

APPLICATION FILED NOV-29. ISIS.

1,201,071. Patentml Oct 10,1916.

Wa'iflness wefts F, and furthermore the successive ED STATES PATENTOFFICE.

WALTER G. WILLIAMS, OF ROXBURY, MASSACHUSETTS.

To all whom it may concern:

Be it known that I, WALTER G. WILLIAMS, a citizen of the United States,residing at Roxbury, in the county of Suffolk and State ofMassachusetts, have invented a new and useful Woven Pile Fabric, ofwhich the fol lowing 1s a specification.

This invention relates to a woven pile fabric of the type in which thepile loops'or manner more effectually to conceal the coarse materialforming the back or frame of the fabric.

With this object in view my invention relates to -certain arrangementsand combina tions of the parts of the fabric which will be hereinafterdescribed and more particularly pointedout in the appended claim.

7 The preferred formof my invention is shown in the drawings, in which vFigure 1 is a longitudinal sectional elevation of a portion of thefabric embodying my invention, and Fig. 2 is a top plan view of thefabric.

Referring to. the drawings the fabric comprises stufi'er warps S, pilewarps P, two sets of binder warps B and B, and upper and lower fillingthreads or wefts F and F. The stuffer warps S extend through the centerof the fabric between the upper and lower wefts F and F, and the pilewarps P are disposed in loops around the upper wefts F.

The binder warps B and B are alternately disposed throughout the fabric,each binder warp B underlying a single weft F and then passing over twoadjacent upper wefts F. The warp is then broughtdown around the 'nextalternate lower weft F. The binder warps B are similarly disposed, butunderlie the intervening alternate lower pairs of upper wefts engaged bythe binder Specification of Letters Patent.

Application filed November 29,1915. Serial No. 63,932.

- WOVEN PILE FABRIC.

. Patented Oct. '16, 1916.

warps B are also grouped alternately with those engaged by the binderwarps B. A single binder warp B or B is disposed between each twoadjacent rows of'pile loops as clearly shown in Fig. 2. Reference tothis figure will show that adjacent binder warps B and B engage thefilling threads or wefts F on each side of each pile loop P, andfurthermore that they thus engage the weft F. on opposite sides thereof,so that the upper wefts F are forced into the irregular or zigzagarrangement shown in Fig. 2. This moving of the weft threads out oftheir normal straight-line position causes slight changes-in the angularposition of the pile loops P, as indicated in Fig. 2. With thisarrangement of the component parts of the fabric, the pile loops P arevery securely bound upon the stuffer warps S and their slightlyirregular arrangement enablesthem to -more effectually. conceal thestructural lines of the backing or frame of the fabric. The dispositionof a single binding warp only between each two adjacent rows of pileloops is also of the utmost importance'in secur g a satisfactorycovering of the fab- 'ric, a 't reduces to a minimum the spaceintervening between adjacent rows of pile loops.

It is immaterial for the purposes of my invention whether the loops areleft uncut as indicated at P in Fig. 1, or whether they are separated asat P to form .pile tufts. It is furthermore immaterial whether theseveral elements of the fabric herein described are formed of singlethreads or of a plurality of threads associated together and co-actingas a single element. Accordlngly the words warp and weft as used 1n theclaim are to be understood as 'covering either a warp or a weft composedof a single strand or composed of a plurality of strands acting as aunit.

Having thus described my invention what I claim and desire to secure byLetters Patent is: f I

A woven pile fabric comprising stufler warps, binder warps, pile warps,and upper and lower filling threads or wefts, said upper wefts overlyingthe stufi'er warps and binding the pile loops thereon, said lower wefts.directly underlying said stufler warps, and said binder warps beingarranged in two seriesand being positioned alternately betweensuccessive adjacent rows of pile loops, transversely adjacent binderwarps underlying and engaging alternate single lower 5 wefts andoverlying andengaging all of the u per wefts in alternately groupedpairs, w ereby each pile loop is disposed between upper weft associatedwith said loop on each side of the pile loop and on opposite sides of vsaid weft thread.

In testimony whereof I have hereunto my hand. I

' WALTER G. WILLIAMS.

